During Warner Brothers Hall H panel regarding their slate of DC Comics focused TV shows, Arrow fans were treated to this extensive trailer. The past two season of the show have all teased the appearance of an individual who’s been known to battle with Batman from time to time.

Near the end of this sneak peak at season 3, fans will get a short glimpse at none other than Ra’s al Ghul. The League of Assassins frontrunner will likely be the main baddie of this explosive season of Arrow.

Check out the full trailer above to get some hints as to what will happen in season 3. And for you Arrow newbies out there who haven’t watched the entirety of season 2…BEWARE OF SPOILERS! For everyone else, enjoy.

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Executive producer Marc Guggenheim spoke with The Hollywood Reporter and gave them some comments on how their version of Ra’s al Ghul will appear and act:

We have a really clever way of doing Ra’s this year that is true to the comic-book origins but different from the way Ra’s was portrayed in the Nolan movies. You don’t want to compete with Batman Begins, even though we’ve always said Batman Begins was a big influence on us. We really wanted our Ra’s to be very different — at least our own Arrow-ified version.